135 		struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];  in xrx200_flush_dma()  local
137 		if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) != LTQ_DMA_C)  in xrx200_flush_dma()
140 		desc->ctl = LTQ_DMA_OWN | LTQ_DMA_RX_OFFSET(NET_IP_ALIGN) |  in xrx200_flush_dma()
142 		ch->dma.desc++;  in xrx200_flush_dma()
143 		ch->dma.desc %= LTQ_DESC_NUM;  in xrx200_flush_dma()
189 	void *buf = ch->rx_buff[ch->dma.desc];  in xrx200_alloc_buf()
194 	ch->rx_buff[ch->dma.desc] = alloc(priv->rx_skb_size);  in xrx200_alloc_buf()
195 	if (!ch->rx_buff[ch->dma.desc]) {  in xrx200_alloc_buf()
196 		ch->rx_buff[ch->dma.desc] = buf;  in xrx200_alloc_buf()
201 	mapping = dma_map_single(priv->dev, ch->rx_buff[ch->dma.desc],  in xrx200_alloc_buf()
204 		skb_free_frag(ch->rx_buff[ch->dma.desc]);  in xrx200_alloc_buf()
205 		ch->rx_buff[ch->dma.desc] = buf;  in xrx200_alloc_buf()
210 	ch->dma.desc_base[ch->dma.desc].addr = mapping + NET_SKB_PAD + NET_IP_ALIGN;  in xrx200_alloc_buf()
214 	ch->dma.desc_base[ch->dma.desc].ctl =  in xrx200_alloc_buf()
223 	struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];  in xrx200_hw_receive()  local
224 	void *buf = ch->rx_buff[ch->dma.desc];  in xrx200_hw_receive()
225 	u32 ctl = desc->ctl;  in xrx200_hw_receive()
233 	ch->dma.desc++;  in xrx200_hw_receive()
234 	ch->dma.desc %= LTQ_DESC_NUM;  in xrx200_hw_receive()
291 		struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];  in xrx200_poll_rx()  local
293 		if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) == LTQ_DMA_C) {  in xrx200_poll_rx()
323 		struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->tx_free];  in xrx200_tx_housekeeping()  local
325 		if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) == LTQ_DMA_C) {  in xrx200_tx_housekeeping()
362 	struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];  in xrx200_start_xmit()  local
375 	if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || ch->skb[ch->dma.desc]) {  in xrx200_start_xmit()
381 	ch->skb[ch->dma.desc] = skb;  in xrx200_start_xmit()
390 	desc->addr = mapping - byte_offset;  in xrx200_start_xmit()
393 	desc->ctl = LTQ_DMA_OWN | LTQ_DMA_SOP | LTQ_DMA_EOP |  in xrx200_start_xmit()
395 	ch->dma.desc++;  in xrx200_start_xmit()
396 	ch->dma.desc %= LTQ_DESC_NUM;  in xrx200_start_xmit()
397 	if (ch->dma.desc == ch->tx_free)  in xrx200_start_xmit()
436 	curr_desc = ch_rx->dma.desc;  in xrx200_change_mtu()
438 	for (ch_rx->dma.desc = 0; ch_rx->dma.desc < LTQ_DESC_NUM;  in xrx200_change_mtu()
439 	     ch_rx->dma.desc++) {  in xrx200_change_mtu()
440 		buff = ch_rx->rx_buff[ch_rx->dma.desc];  in xrx200_change_mtu()
451 	ch_rx->dma.desc = curr_desc;  in xrx200_change_mtu()
499 	for (ch_rx->dma.desc = 0; ch_rx->dma.desc < LTQ_DESC_NUM;  in xrx200_dma_init()
500 	     ch_rx->dma.desc++) {  in xrx200_dma_init()
505 	ch_rx->dma.desc = 0;  in xrx200_dma_init()